0.57 ct black opal 7.2×5.6×2.3mmUS$1,000.00 Out of stock SKU: TM20224 Category: Black Opal Opal Specifications Additional information Weight 0.57 ct Dimensions 7.2 × 5.6 × 2.3 mm Body Tone Black N4 Predominant Colors Blue, Green Brightness B4 Very Bright Cut Freeform Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry